OVERVIEW

The FEMA DCM3 is a reliable and efficient pressure switch designed for use in a wide range of industrial automation applications. Manufactured by FEMA, a well-known brand in control and measurement technology, this switch plays a vital role in managing pressure in systems like pumps, compressors, pipelines, and processing equipment.

The FEMA DCM3 works by detecting changes in pressure and triggering actions such as turning devices on or off. It helps maintain safe and stable pressure levels, protecting machines and systems from overload or failure. Built with durable materials, the FEMA pressure switch is made to withstand harsh industrial environments, including areas with high vibration or extreme temperatures.

It features easy installation and simple pressure range adjustments, making it a practical choice for engineers and technicians. The FEMA DCM3 is widely used in water treatment, chemical plants, HVAC systems, and other industrial settings where pressure control is essential.

This pressure switch supports efficient system operation and improved safety, making it an important part of modern automation systems.

SPECIFICATION

Type & Function: Mechanical, over-pressure monitoring switch for non-aggressive liquids and gases. SPDT microswitch output capacity: 5 A inductive / 8 A resistive at 250 VAC

Pressure Range: Adjustable from 0.2 to 2.5 bar with fixed hysteresis (~0.1 bar). Maximum withstand pressure up to 16 bar

Pressure Ports: Internal thread G1/4″ and external thread G1/2″

Electrical Connection: DIN EN 175301 plug standard; optional terminal housing variants available (e.g., IP65 upgrade)

Housing & Protection: Rugged seawater-resistant aluminum die-cast body, rated IP54 (upgradable to IP65 with options)

Temperature Limits: Operating media/ambient from –25 °C to +70 °C (short-term up to 85 °C)

Materials: Wetted parts made of stainless steel (grades 1.4104 & 1.4571)

Certifications & Options: Explosion-proof/ex‑i available; gold‑plated contacts, dual-switch setups, adjustable intervals, and SIL-rated versions

FEATURES

The FEMA DCM3 is a high-performance pressure switch designed for a variety of industrial automation applications. One of its key features is its precise switching capability, which allows it to detect specific pressure levels and trigger responses accurately. This makes it ideal for controlling pumps, compressors, and valves in automated systems.

Built by FEMA, a trusted name in industrial control equipment, the FEMA DCM3 is known for its robust construction. It can operate in harsh environments with high temperatures, vibrations, or pressure fluctuations. Its compact design and standard mounting options make installation quick and easy.

The FEMA pressure switch also includes adjustable setpoints, allowing users to fine-tune the pressure range to suit different applications. It offers reliable on/off switching and supports system safety by preventing overpressure or system failure.

Widely used across water treatment, HVAC, chemical, and manufacturing industries, the FEMA DCM3 enhances system reliability and automation efficiency. It is a dependable and cost-effective solution for pressure monitoring in modern industrial systems.